/**
* Copyright (C) 2008 Happy Fish / YuQing
*
* FastDFS Java Client may be copied only under the terms of the GNU Lesser
* General Public License (LGPL).
* Please visit the FastDFS Home Page http://www.csource.org/ for more detail.
**/

package org.csource.fastdfs.test;

import java.text.SimpleDateFormat;

import org.csource.fastdfs.ClientGlobal;
import org.csource.fastdfs.ProtoCommon;
import org.csource.fastdfs.StructGroupStat;
import org.csource.fastdfs.StructStorageStat;
import org.csource.fastdfs.TrackerClient;
import org.csource.fastdfs.TrackerServer;

/**
* load test class
* @author Happy Fish / YuQing
* @version Version 1.20
*/
public class Monitor
{
	private Monitor()
	{
	}
	
	/**
	* entry point
	* @param args comand arguments
	*     <ul><li>args[0]: config filename</li></ul>
	*/
  public static void main(String args[])
  {
  	if (args.length < 1)
  	{
  		System.out.println("Error: Must have 1 parameter: config filename");
  		return;
  	}
  	
  	System.out.println("java.version=" + System.getProperty("java.version"));
  	
  	try
  	{
  		ClientGlobal.init(args[0]);
  		System.out.println("network_timeout=" + ClientGlobal.g_network_timeout + "ms");
  		System.out.println("charset=" + ClientGlobal.g_charset);
  		
  		TrackerClient tracker = new TrackerClient();
  		
  		/*
  		System.out.println("delete storage return: " + tracker.deleteStorage("group1", "192.168.0.192"));
  		System.out.println("delete storage errno: " + tracker.getErrorCode());
  		*/
  		
  		TrackerServer trackerServer = tracker.getConnection();
  		if (trackerServer == null)
  		{
  			return;
  		}
  		
  		int count;
  		StructGroupStat[] groupStats = tracker.listGroups(trackerServer);
  		if (groupStats == null)
  		{
  			System.out.println("");
  			System.out.println("ERROR! list groups error, error no: " + tracker.getErrorCode());
  			System.out.println("");
  			return;
  		}
  		
  		System.out.println("group count: " + groupStats.length);
  		
  		count = 0;
  		for (StructGroupStat groupStat :  groupStats)
  		{
  			count++;
  			System.out.println("Group " + count + ":");
				System.out.println("group name = " + groupStat.getGroupName());
				System.out.println("disk total space = " + groupStat.getTotalMB() + "MB");
				System.out.println("disk free space = " + groupStat.getFreeMB() + " MB");
				System.out.println("trunk free space = " + groupStat.getTrunkFreeMB() + " MB");
				System.out.println("storage server count = " + groupStat.getStorageCount());
				System.out.println("active server count = " + groupStat.getActiveCount());
				System.out.println("storage server port = " + groupStat.getStoragePort());
				System.out.println("storage HTTP port = " + groupStat.getStorageHttpPort());
				System.out.println("store path count = " + groupStat.getStorePathCount());
				System.out.println("subdir count per path = " + groupStat.getSubdirCountPerPath());
				System.out.println("current write server index = " + groupStat.getCurrentWriteServer());
				System.out.println("current trunk file id = " + groupStat.getCurrentTrunkFileId());
				
				StructStorageStat[] storageStats = tracker.listStorages(trackerServer, groupStat.getGroupName());
				if (storageStats == null)
				{
					System.out.println("");
	  			System.out.println("ERROR! list storage error, error no: " + tracker.getErrorCode());
	  			System.out.println("");
	  			break;
				}
				
				SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
				int stroageCount = 0;
				for (StructStorageStat storageStat : storageStats)
				{
					stroageCount++;
					System.out.println("\tStorage " + stroageCount + ":");
					System.out.println("\t\tstorage id = " + storageStat.getId());
					System.out.println("\t\tip_addr = " + storageStat.getIpAddr() + "  " + ProtoCommon.getStorageStatusCaption(storageStat.getStatus()));
					System.out.println("\t\thttp domain = " + storageStat.getDomainName());
					System.out.println("\t\tversion = " + storageStat.getVersion());
					System.out.println("\t\tjoin time = " + df.format(storageStat.getJoinTime()));
					System.out.println("\t\tup time = " + (storageStat.getUpTime().getTime() == 0 ? "" : df.format(storageStat.getUpTime())));
					System.out.println("\t\ttotal storage = " + storageStat.getTotalMB() + "MB");
					System.out.println("\t\tfree storage = " + storageStat.getFreeMB() + "MB");
					System.out.println("\t\tupload priority = " + storageStat.getUploadPriority());
					System.out.println("\t\tstore_path_count = " + storageStat.getStorePathCount());
					System.out.println("\t\tsubdir_count_per_path = " + storageStat.getSubdirCountPerPath());
					System.out.println("\t\tstorage_port = " + storageStat.getStoragePort());
					System.out.println("\t\tstorage_http_port = " + storageStat.getStorageHttpPort());
					System.out.println("\t\tcurrent_write_path = " + storageStat.getCurrentWritePath());
					System.out.println("\t\tsource ip_addr = " + storageStat.getSrcIpAddr());
					System.out.println("\t\tif_trunk_server = " + storageStat.isTrunkServer());
					System.out.println("\t\ttotal_upload_count = " + storageStat.getTotalUploadCount());
					System.out.println("\t\tsuccess_upload_count = " + storageStat.getSuccessUploadCount());
					System.out.println("\t\ttotal_append_count = " + storageStat.getTotalAppendCount());
					System.out.println("\t\tsuccess_append_count = " + storageStat.getSuccessAppendCount());
					System.out.println("\t\ttotal_modify_count = " + storageStat.getTotalModifyCount());
					System.out.println("\t\tsuccess_modify_count = " + storageStat.getSuccessModifyCount());
					System.out.println("\t\ttotal_truncate_count = " + storageStat.getTotalTruncateCount());
					System.out.println("\t\tsuccess_truncate_count = " + storageStat.getSuccessTruncateCount());
					System.out.println("\t\ttotal_set_meta_count = " + storageStat.getTotalSetMetaCount());
					System.out.println("\t\tsuccess_set_meta_count = " + storageStat.getSuccessSetMetaCount());
					System.out.println("\t\ttotal_delete_count = " + storageStat.getTotalDeleteCount());
					System.out.println("\t\tsuccess_delete_count = " + storageStat.getSuccessDeleteCount());
					System.out.println("\t\ttotal_download_count = " + storageStat.getTotalDownloadCount());
					System.out.println("\t\tsuccess_download_count = " + storageStat.getSuccessDownloadCount());
					System.out.println("\t\ttotal_get_meta_count = " + storageStat.getTotalGetMetaCount());
					System.out.println("\t\tsuccess_get_meta_count = " + storageStat.getSuccessGetMetaCount());
					System.out.println("\t\ttotal_create_link_count = " + storageStat.getTotalCreateLinkCount());
					System.out.println("\t\tsuccess_create_link_count = " + storageStat.getSuccessCreateLinkCount());
					System.out.println("\t\ttotal_delete_link_count = " + storageStat.getTotalDeleteLinkCount());
					System.out.println("\t\tsuccess_delete_link_count = " + storageStat.getSuccessDeleteLinkCount());
					System.out.println("\t\ttotal_upload_bytes = " + storageStat.getTotalUploadBytes());
					System.out.println("\t\tsuccess_upload_bytes = " + storageStat.getSuccessUploadBytes());
					System.out.println("\t\ttotal_append_bytes = " + storageStat.getTotalAppendBytes());
					System.out.println("\t\tsuccess_append_bytes = " + storageStat.getSuccessAppendBytes());
					System.out.println("\t\ttotal_modify_bytes = " + storageStat.getTotalModifyBytes());
					System.out.println("\t\tsuccess_modify_bytes = " + storageStat.getSuccessModifyBytes());
					System.out.println("\t\ttotal_download_bytes = " + storageStat.getTotalDownloadloadBytes());
					System.out.println("\t\tsuccess_download_bytes = " + storageStat.getSuccessDownloadloadBytes());
					System.out.println("\t\ttotal_sync_in_bytes = " + storageStat.getTotalSyncInBytes());
					System.out.println("\t\tsuccess_sync_in_bytes = " + storageStat.getSuccessSyncInBytes());
					System.out.println("\t\ttotal_sync_out_bytes = " + storageStat.getTotalSyncOutBytes());
					System.out.println("\t\tsuccess_sync_out_bytes = " + storageStat.getSuccessSyncOutBytes());
					System.out.println("\t\ttotal_file_open_count = " + storageStat.getTotalFileOpenCount());
					System.out.println("\t\tsuccess_file_open_count = " + storageStat.getSuccessFileOpenCount());
					System.out.println("\t\ttotal_file_read_count = " + storageStat.getTotalFileReadCount());
					System.out.println("\t\tsuccess_file_read_count = " + storageStat.getSuccessFileReadCount());
					System.out.println("\t\ttotal_file_write_count = " + storageStat.getTotalFileWriteCount());
					System.out.println("\t\tsuccess_file_write_count = " + storageStat.getSuccessFileWriteCount());
					System.out.println("\t\tlast_heart_beat_time = " + df.format(storageStat.getLastHeartBeatTime()));
					System.out.println("\t\tlast_source_update = " + df.format(storageStat.getLastSourceUpdate()));
					System.out.println("\t\tlast_sync_update = " + df.format(storageStat.getLastSyncUpdate()));
					System.out.println("\t\tlast_synced_timestamp = " + df.format(storageStat.getLastSyncedTimestamp()) + getSyncedDelayString(storageStats, storageStat));
				}
  		}
  		
  		trackerServer.close();
		}
  	catch(Exception ex)
  	{
  		ex.printStackTrace();
  	}
  }
  
  protected static String getSyncedDelayString(StructStorageStat[] storageStats, StructStorageStat currentStorageStat)
  {
		long maxLastSourceUpdate = 0;
		for (StructStorageStat storageStat : storageStats)
		{
      if (storageStat != currentStorageStat && storageStat.getLastSourceUpdate().getTime() > maxLastSourceUpdate)
      {
      	maxLastSourceUpdate = storageStat.getLastSourceUpdate().getTime();
      }
		}
		
		if (maxLastSourceUpdate == 0)
		{
		 	return "";
		}

		if (currentStorageStat.getLastSyncedTimestamp().getTime() == 0)
		{
			return " (never synced)";
		}
		
		int delaySeconds = (int)((maxLastSourceUpdate - currentStorageStat.getLastSyncedTimestamp().getTime()) / 1000);
		int day = delaySeconds / (24 * 3600);
		int remainSeconds = delaySeconds % (24 * 3600);
		int hour = remainSeconds / 3600;
		remainSeconds %= 3600;
		int minute = remainSeconds / 60;
		int second = remainSeconds % 60;
		String delayTimeStr;
		if (day != 0)
		{
			delayTimeStr = String.format("%1$d days %2$02dh:%3$02dm:%4$02ds", day, hour, minute, second);
		}
		else if (hour != 0)
		{
			delayTimeStr = String.format("%1$02dh:%2$02dm:%3$02ds", hour, minute, second);
		}
		else if (minute != 0)
		{
			delayTimeStr = String.format("%1$02dm:%2$02ds", minute, second);
		}
		else
		{
			delayTimeStr = String.format("%1$ds", second);
		}
		
		return " (" + delayTimeStr + " delay)";
	}
}
